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drm/radeon: re-organize the acpi notifier callback

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Move it out of the radeon_pm.c and into radeon_acpi.c since
we use it for more than just pm now.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-07-31 17:14:35 -04:00
parent fda4b25c55
commit c49170742d
4 changed files with 48 additions and 43 deletions
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14
drivers/gpu/drm/radeon/radeon.h
View File

@ -1869,12 +1869,14 @@ extern void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_displ
extern int ni_init_microcode(struct radeon_device *rdev);
extern int ni_mc_load_microcode(struct radeon_device *rdev);
/* radeon_acpi.c */
#if defined(CONFIG_ACPI)
extern int radeon_acpi_init(struct radeon_device *rdev);
#else
static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
#endif
/* radeon_acpi.c */
#if defined(CONFIG_ACPI)
extern int radeon_acpi_init(struct radeon_device *rdev);
extern void radeon_acpi_fini(struct radeon_device *rdev);
#else
static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
#endif
#include "radeon_object.h"

32
drivers/gpu/drm/radeon/radeon_acpi.c
View File

@ -24,6 +24,7 @@
#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/slab.h>
#include <linux/power_supply.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
#include <acpi/video.h>
@ -38,6 +39,10 @@
#include <linux/vga_switcheroo.h>
#define ACPI_AC_CLASS "ac_adapter"
extern void radeon_pm_acpi_event_handler(struct radeon_device *rdev);
struct atif_verify_interface {
u16 size; /* structure size in bytes (includes size field) */
u16 version; /* version */
@ -299,6 +304,26 @@ int radeon_atif_handler(struct radeon_device *rdev,
return NOTIFY_OK;
}
static int radeon_acpi_event(struct notifier_block *nb,
unsigned long val,
void *data)
{
struct radeon_device *rdev = container_of(nb, struct radeon_device, acpi_nb);
struct acpi_bus_event *entry = (struct acpi_bus_event *)data;
if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) {
if (power_supply_is_system_supplied() > 0)
DRM_DEBUG_DRIVER("pm: AC\n");
else
DRM_DEBUG_DRIVER("pm: DC\n");
radeon_pm_acpi_event_handler(rdev);
}
/* Check for pending SBIOS requests */
return radeon_atif_handler(rdev, entry);
}
/* Call all ACPI methods here */
int radeon_acpi_init(struct radeon_device *rdev)
{
@ -367,6 +392,13 @@ int radeon_acpi_init(struct radeon_device *rdev)
}
out:
rdev->acpi_nb.notifier_call = radeon_acpi_event;
register_acpi_notifier(&rdev->acpi_nb);
return ret;
}
void radeon_acpi_fini(struct radeon_device *rdev)
{
unregister_acpi_notifier(&rdev->acpi_nb);
}

1
drivers/gpu/drm/radeon/radeon_kms.c
View File

@ -51,6 +51,7 @@ int radeon_driver_unload_kms(struct drm_device *dev)
if (rdev == NULL)
return 0;
radeon_acpi_fini(rdev);
radeon_modeset_fini(rdev);
radeon_device_fini(rdev);
kfree(rdev);

44
drivers/gpu/drm/radeon/radeon_pm.c
View File

@ -22,12 +22,8 @@
*/
#include "drmP.h"
#include "radeon.h"
#include "radeon_acpi.h"
#include "avivod.h"
#include "atom.h"
#ifdef CONFIG_ACPI
#include <linux/acpi.h>
#endif
#include <linux/power_supply.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
@ -51,8 +47,6 @@ static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish
static void radeon_pm_update_profile(struct radeon_device *rdev);
static void radeon_pm_set_clocks(struct radeon_device *rdev);
#define ACPI_AC_CLASS "ac_adapter"
int radeon_pm_get_type_index(struct radeon_device *rdev,
enum radeon_pm_state_type ps_type,
int instance)
@ -71,34 +65,17 @@ int radeon_pm_get_type_index(struct radeon_device *rdev,
return rdev->pm.default_power_state_index;
}
#ifdef CONFIG_ACPI
static int radeon_acpi_event(struct notifier_block *nb,
unsigned long val,
void *data)
void radeon_pm_acpi_event_handler(struct radeon_device *rdev)
{
struct radeon_device *rdev = container_of(nb, struct radeon_device, acpi_nb);
struct acpi_bus_event *entry = (struct acpi_bus_event *)data;
if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) {
if (power_supply_is_system_supplied() > 0)
DRM_DEBUG_DRIVER("pm: AC\n");
else
DRM_DEBUG_DRIVER("pm: DC\n");
if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
if (rdev->pm.profile == PM_PROFILE_AUTO) {
mutex_lock(&rdev->pm.mutex);
radeon_pm_update_profile(rdev);
radeon_pm_set_clocks(rdev);
mutex_unlock(&rdev->pm.mutex);
}
if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
if (rdev->pm.profile == PM_PROFILE_AUTO) {
mutex_lock(&rdev->pm.mutex);
radeon_pm_update_profile(rdev);
radeon_pm_set_clocks(rdev);
mutex_unlock(&rdev->pm.mutex);
}
}
/* Check for pending SBIOS requests */
return radeon_atif_handler(rdev, entry);
}
#endif
static void radeon_pm_update_profile(struct radeon_device *rdev)
{
@ -629,10 +606,6 @@ int radeon_pm_init(struct radeon_device *rdev)
if (ret)
DRM_ERROR("failed to create device file for power method\n");
#ifdef CONFIG_ACPI
rdev->acpi_nb.notifier_call = radeon_acpi_event;
register_acpi_notifier(&rdev->acpi_nb);
#endif
if (radeon_debugfs_pm_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for PM!\n");
}
@ -663,9 +636,6 @@ void radeon_pm_fini(struct radeon_device *rdev)
device_remove_file(rdev->dev, &dev_attr_power_profile);
device_remove_file(rdev->dev, &dev_attr_power_method);
#ifdef CONFIG_ACPI
unregister_acpi_notifier(&rdev->acpi_nb);
#endif
}
if (rdev->pm.power_state)